Contains:NGC 5195, Whirlpool galaxy, M 51, NGC 5194
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M51 Whirlpool Galaxy, 




    

        Rich S
M51 Whirlpool Galaxy

M51 Whirlpool Galaxy

Technical card

Resolution: 3953x2701

Dates: May 16, 2018

Frames:
Orion SkyGlow Astrophotography Filter 1.25" CLS: 460x120" (gain: 76.00) -5C bin 1x1
ZWO Blue: 30x120" (gain: 76.00) -5C bin 1x1
ZWO GREEN: 60x120" (gain: 76.00) -5C bin 1x1
ZWO RED: 30x120" (gain: 76.00) -5C bin 1x1

Integration: 19.3 hours

Darks: ~50

Flats: ~50

Flat darks: ~50

Avg. Moon age: 1.12 days

Avg. Moon phase: 1.41%

Bortle Dark-Sky Scale: 9.00

Temperature: 25.00

Astrometry.net job: 2106420

RA center: 202.484 degrees

DEC center: 47.224 degrees

Pixel scale: 0.500 arcsec/pixel

Orientation: 275.116 degrees

Field radius: 0.332 degrees

Data source: Unknown

Description

Messier 51, NGC 5194 - Whirlpool Galaxy

Messier 51 (M51, NGC 5194) is the famous "Whirlpool" galaxy in Canes Venatici. It is one of the most conspicuous and best-known spiral galaxies in the sky. M 51 is interacting with its much smaller neighbor, NGC 5195; the two galaxies may be seen with binoculars under very dark skies.

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Rich S
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M51 Whirlpool Galaxy, 




    

        Rich S